summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorNikolay Borisov <nborisov@suse.com>2019-03-14 14:28:31 +0100
committerDavid Sterba <dsterba@suse.com>2019-04-29 19:02:20 +0200
commit8882679ea50b9ceb8b86cbceb061322a97876534 (patch)
treee7a3bb896c07963818af2566cdb06481eefc21ac
parentbtrfs: Remove EXTENT_WRITEBACK (diff)
downloadlinux-8882679ea50b9ceb8b86cbceb061322a97876534.tar.xz
linux-8882679ea50b9ceb8b86cbceb061322a97876534.zip
btrfs: Remove EXTENT_IOBITS
This flag just became synonymous to EXTENT_LOCKED, so just remove it and used EXTENT_LOCKED directly. No functional changes. Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/extent_io.c11
-rw-r--r--fs/btrfs/extent_io.h1
2 files changed, 5 insertions, 7 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 5725adfb19c9..cc3941ae1ff6 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -403,7 +403,7 @@ static void merge_state(struct extent_io_tree *tree,
struct extent_state *other;
struct rb_node *other_node;
- if (state->state & (EXTENT_IOBITS | EXTENT_BOUNDARY))
+ if (state->state & (EXTENT_LOCKED | EXTENT_BOUNDARY))
return;
other_node = rb_prev(&state->rb_node);
@@ -622,7 +622,7 @@ int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
if (delete)
bits |= ~EXTENT_CTLBITS;
- if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
+ if (bits & (EXTENT_LOCKED | EXTENT_BOUNDARY))
clear = 1;
again:
if (!prealloc && gfpflags_allow_blocking(mask)) {
@@ -854,7 +854,7 @@ static void cache_state(struct extent_state *state,
struct extent_state **cached_ptr)
{
return cache_state_if_flags(state, cached_ptr,
- EXTENT_IOBITS | EXTENT_BOUNDARY);
+ EXTENT_LOCKED | EXTENT_BOUNDARY);
}
/*
@@ -4173,10 +4173,9 @@ static int try_release_extent_state(struct extent_io_tree *tree,
u64 end = start + PAGE_SIZE - 1;
int ret = 1;
- if (test_range_bit(tree, start, end,
- EXTENT_IOBITS, 0, NULL))
+ if (test_range_bit(tree, start, end, EXTENT_LOCKED, 0, NULL)) {
ret = 0;
- else {
+ } else {
/*
* at this point we can safely clear everything except the
* locked bit and the nodatasum bit
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index a1dc61b7945d..1e5be66c7e0b 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -23,7 +23,6 @@
#define EXTENT_QGROUP_RESERVED (1U << 12)
#define EXTENT_CLEAR_DATA_RESV (1U << 13)
#define EXTENT_DELALLOC_NEW (1U << 14)
-#define EXTENT_IOBITS (EXTENT_LOCKED)
#define EXTENT_DO_ACCOUNTING (EXTENT_CLEAR_META_RESV | \
EXTENT_CLEAR_DATA_RESV)
#define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING)